Bikes + Cute Shoes = Awesome

Routes are rated on a scale of 1 to 4, with 4 being the hardest, "experts-only" routes, the newspaper reported. That means only "strong and fearless riders" should attempt to pedal on places like Market Street.

Tights on Bikes

It would take about $600 million to make all the routes safe for all riders, the newspaper reported. About $30 million is available.

Riders from "8 to 80" can ride safely in Golden Gate Park and the Presidio, according to the Examiner.